When a new family with a twin brother and sister move next door to Eoin, strange things start to happen. The kids at school make fun of the twins and say that they are from another planet. But Eoin decides to find out where they really come from. A series of original fiction specially devised for young teenage students of English. Written by renowned EFL authors Combining easy-to-understand language with exciting plots to appeal to younger readers. PLUS: Cyber Homework and free online resources for each title on helbling-ezone.com Audio CD for each title